DE3739447C2 - Verfahren zur Herstellung von Perfluorpolyethern - Google Patents

Verfahren zur Herstellung von Perfluorpolyethern

Info

Publication number
DE3739447C2
DE3739447C2 DE3739447A DE3739447A DE3739447C2 DE 3739447 C2 DE3739447 C2 DE 3739447C2 DE 3739447 A DE3739447 A DE 3739447A DE 3739447 A DE3739447 A DE 3739447A DE 3739447 C2 DE3739447 C2 DE 3739447C2
Authority
DE
Germany
Prior art keywords
perfluoropolyether
bromine
iodine
chain transfer
active
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE3739447A
Other languages
German (de)
English (en)
Other versions
DE3739447A1 (de
Inventor
Kazuo Kobayashi
Masashi Fukazawa
Shinji Ishikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Mektron KK
Original Assignee
Nippon Mektron KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Mektron KK filed Critical Nippon Mektron KK
Publication of DE3739447A1 publication Critical patent/DE3739447A1/de
Application granted granted Critical
Publication of DE3739447C2 publication Critical patent/DE3739447C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32Polymers modified by chemical after-treatment
    • C08G65/321Polymers modified by chemical after-treatment with inorganic compounds
    • C08G65/323Polymers modified by chemical after-treatment with inorganic compounds containing halogens
    • C08G65/3233Molecular halogen
    • C08G65/3236Fluorine
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/002Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
    • C08G65/005Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/002Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
    • C08G65/005Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
    • C08G65/007Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens containing fluorine
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/30Post-polymerisation treatment, e.g. recovery, purification, drying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyethers (AREA)
DE3739447A 1986-11-28 1987-11-20 Verfahren zur Herstellung von Perfluorpolyethern Expired - Fee Related DE3739447C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61283932A JPS63137922A (ja) 1986-11-28 1986-11-28 新規パーフルオロポリエーテルの製造法

Publications (2)

Publication Number Publication Date
DE3739447A1 DE3739447A1 (de) 1988-06-09
DE3739447C2 true DE3739447C2 (de) 2000-05-18

Family

ID=17672078

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3739447A Expired - Fee Related DE3739447C2 (de) 1986-11-28 1987-11-20 Verfahren zur Herstellung von Perfluorpolyethern

Country Status (3)

Country Link
US (1) US4859299A (enrdf_load_stackoverflow)
JP (1) JPS63137922A (enrdf_load_stackoverflow)
DE (1) DE3739447C2 (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1218215B (it) * 1988-04-11 1990-04-12 Ausimont Spa Prodotti reticolati a struttura di perfluoropolieteri aventi gruppi funzionali
IT1231758B (it) * 1989-04-20 1991-12-21 Ausimont Srl Fluoropolieteri funzionalizzati
IT1217453B (it) * 1988-05-02 1990-03-22 Ausimont Spa Procedimento per la produzione di perfluoropolieteri a peso molecolare controllato,aventi gruppi terminali perfluoroalchilici o perfluorocloroalchilici
IT1217452B (it) * 1988-05-02 1990-03-22 Ausimont Spa Perfluoropolieteri contenenti un alogeno diverso da fluoro e aventi un gruppo terminale a funzione acida
US5446206A (en) * 1988-05-02 1995-08-29 Ausimont S.R.L. Process for preparing controlled molecular weight perfluoropolyethers having perfluoroalkyl or perfluorochloroalkyl end groups
IT1229845B (it) * 1989-04-20 1991-09-13 Ausimont Srl Procedimento per la preparazione di perfluoropolieteri perossidici.
US5288376A (en) * 1990-08-23 1994-02-22 Shin-Etsu Chemical Co., Ltd. Preparation of perfluorooligoether iodides
IT1249319B (it) * 1991-04-26 1995-02-22 Ausimont Spa Perfluoropolieteri ad elevata viscosita' e basso contenuto di ossigeno perossidico, e procedimento per la loro preparazione
IT1282628B1 (it) * 1996-02-14 1998-03-31 Ausimont Spa Processo per la preparazione di perfluoropolieteri perossidici
US9090717B2 (en) 2011-12-19 2015-07-28 HGST Netherlands B.V. UV cross-linking neat lubricant mixtures for magnetic recording media

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1745169A1 (de) * 1967-02-09 1971-08-05 Montedison Spa Fluorierte lineare Polyaether und Verfahren zu ihrer Herstellung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6709067A (enrdf_load_stackoverflow) * 1964-04-09 1968-01-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1745169A1 (de) * 1967-02-09 1971-08-05 Montedison Spa Fluorierte lineare Polyaether und Verfahren zu ihrer Herstellung

Also Published As

Publication number Publication date
JPH0123488B2 (enrdf_load_stackoverflow) 1989-05-02
DE3739447A1 (de) 1988-06-09
US4859299A (en) 1989-08-22
JPS63137922A (ja) 1988-06-09

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee